| Abbreviation | Definition |
|---|---|
| DRDL | Defense Research Development Laboratory |
| DRDL | Duke Radiation Dosimetry Laboratory |
| DREAMS | Dynamic Range Enhancement Applied to Mass Spectrometry |
| DRF | Drip Rate Factor |
| DRF | Drug Resistant Falciparum |
| DRG | Diagnosis Related Grouping |
| DRI | Department Research Initiative |
| DRL | Dartmouth Robotics Laboratory |
| DRL | David Rittenhouse Laboratory |
| DRL | Device Research Laboratory |
| DRL | Digital Resources Laboratory |
| DRL | Direct Readout Laboratory |
| DRL | Distributed Robotics Laboratory |
| DRL | Dynamic Robotics Laboratory |
| DRO | Differential Reinforcer of Other Behaviour |
| DROT(AA) | drotrecogin alfa (activated) |
| DRSP | drug-resistant Streptococcus pneumoniae |
| DRTL | Dynamic Research and Testing Laboratories |
| DRVVT | Dilute Russell Viper Venom Test |
| DSA | Digital Subtraction Angiography |